Irwin Rosten

For decades, the National Geographic Society has presented specials on nature, foreign culture, scientific breakthroughs, and things which fall under the general category of "neat stuff." Each special is self-contained.

A documentary about the glorious history of Metro-Goldwyn-Mayer Studios and its decline leading to the sale of its back lot and props. By extension this provides a general history of Hollywood's Golden Age and the legendary studio system.

Burgess Meredith narrates this insightful MGM-produced documentary about the life and career of Hollywood legend Clark Gable, from his childhood in Ohio, to his star status in Hollywood, and to his romantic life off-screen, including his marriage to Carole Lombard. The film incorporates classic film footage of Gable with interviews of people from his past, including an old classmate from his school days, a former sweetheart, and his press agent. Another treat is the rare home movie footage of Gable and Lombard on a camping trip.

Sparkling diamonds. Exquisite emeralds. Brilliant rubies. Shimmering pearls. For centuries, these precious gems have captured humankind, leading men and women to give up fortunes - even their lives - to possess them. Join National Geographic on a journey around the globe to discover the origins of these most coveted gems. You'll see astonishing amounts of earth mined to uncover rubies in Thailand or emeralds in Colombia. You'll meet a Tennessee businessman who cultivates freshwater pearls and a California chemist who 'grows' rubies nearly identical to nature's stunning creations. And you'll witness rarely, if ever before, filmed sales of uncut diamonds - deals worth thousands of dollars sealed only with a handshake and a Hebrew phrase. Unlock a treasure chest filled with a wealth of information and the dazzling beauty of Splendid Stones.

Film cameras cruise the Soviet Union's mighty Volga River, providing a view of the Russian people along its 2300-mile length, including looks at the fishing industry, a rural village, a manufacturing town and the wedding of two factory workers.

"The Incredible Machine" takes viewers on a journey through the human body using groundbreaking medical photography and imaging techniques. Featuring microscopic footage, color X-rays, and rare internal camera views, the film reveals the complex systems that sustain life while showcasing some of the earliest motion images captured inside the body.

Documentary about the sex life of various animals.

The Wolf Men [also known as Wolves and the Wolf Men) is a 1969 documentary film produced by Irwin Rosten. It was produced for the GE Monogram documentary series on NBC. The film follows naturalists as they fight to save rapidly vanishing species of wolves. It was nominated for an Academy Award for Best Documentary Feature.

The grizzly has roamed North America for nearly a million years. And now, in the last century and a half, he has come dangerously close to extinction. Frank and John Craighead have tracked this extraordinary creature.